runsonwhat

Dupli Checker's tech stack

What does Dupli Checker use?

Dupli Checker (duplichecker.com) uses at least 21 tools we can see from public records, including Google Workspace for email and documents, SendPulse for marketing, Cloudflare for content delivery and Let's Encrypt for security. Last checked .

Industry
IT Services
Size
51–200 employees
Based in
Thornton Heath, United Kingdom
Founded
2006
LinkedIn
Company page
Tools found
21
Categories
5
Layers
3 of 5
Last checked
Oct 2026

Dupli Checker's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Dupli Checker tech stack FAQ

What tools does Dupli Checker use?

We've found 21 tools at Dupli Checker (duplichecker.com). Edge & Hosting: Cloudflare. Go-to-market: Google Ad Manager, Criteo and Microsoft Xandr. Company Ops: Google Workspace, Let's Encrypt and Sectigo. Last checked October 4, 2026.

What email provider does Dupli Checker use?

Dupli Checker uses Google Workspace for email and documents. We found Google Workspace through email records.

What marketing software does Dupli Checker use?

Dupli Checker uses SendPulse for marketing. We found SendPulse through email records.

Does Dupli Checker use Cloudflare?

Yes. We found Cloudflare at Dupli Checker through DNS records and website code. Cloudflare is used by 147,753 companies we track.

How does runsonwhat know what Dupli Checker uses?

We read public traces only: Dupli Checker's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.